So if both the interfaces have same variable, it will implement both as a single variable. Same applies to methods as well. multiple inheritance in classes is not allowed because of the diamond problem. Simple answer is how would super.commonMethodInBothClasses () work?
A tiger can run, so the Tiger class may implement Runnable Interface. A tiger can eat, so the Tiger class may implement Eatable Interface. Because an instance of the class could have different behaviors, we could have different corresponding interfaces. All of the interfaces are the characteristics of Class HashMap.
Yes, an interface can be implemented by multiple classes. You could have figured this out by testing it: class FirstClass implements MyInterface { } class SecondClass implements MyInterface { } interface MyInterface { } Yes an interface can be implemented by multiple classes.
An interface can't be instantiated directly. Its members are implemented by any class or struct that implements the interface. A class or struct can implement multiple interfaces. A class can inherit a base class and also implement one or more interfaces.
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Source: Vishal Taneja
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Source: How to Implement Multiple Interfaces Having Same Method Name
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